Harp -

: Often used in folk or Celtic music, these are smaller and use manually operated levers to change string pitch.

: The term "harp" can also refer to the mouth harp (jaw harp) , played using the mouth as a sound hole, or the blues harp (harmonica) , commonly used in rock and country music. Essential Harp Music : Often used in folk or Celtic music,

In recent years, the harp has found a home in popular and experimental music: Learning 'Me and Your Mama' on Harp: A Cover or the blues harp (harmonica)